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Assertion: Electron gain enthalpy always...

Assertion: Electron gain enthalpy always becomes less negative as we go down a group in Modern periodic table.
Reason: The size of the atom increase on going down the group in Modern periodic table and the added electron would be farther from the nucleus.

A

Assertion is correct statement and reason is wrong statement.

B

Assertion and reason both are correct statements and reason is correct explanation of Assertion.

C

Assertion and reason both are wrong statements.

D

Assertion and wrong statements and reason is correct statements.

Text Solution

Verified by Experts

The correct Answer is:
A

Asserton and reason both are correct statements and reason is correct explanation for assertion.
Electron gain enthalpy becomes less negative as the size of an atom increases down the group. This is because within a group screening effect increases on going downward and the added electron would be farther away from the nucleus.
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